/***************************************************************************
 *   Copyright (C) 2009-2010 by Clockwise   *
 *   copyright@clockwise.ee   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/


@class Hosts, HostsDownloader, Error;

@protocol HostsDownloaderDelegate

- (void)hostsUpToDate:(HostsDownloader*)downloader;
- (void)hostsDownloadingStarted:(HostsDownloader*)downloader;
- (void)hostsDownloaded:(HostsDownloader*)downloader;
- (void)hostsDownloadFailed:(HostsDownloader*)downloader;

@end


@interface HostsDownloader : NSObject<NSStreamDelegate> {
	@private
	BOOL initialLoad;
	Hosts *hosts;
	NSURL *url;
	NSInputStream *inputStream;
	NSOutputStream *outputStream;
	NSMutableString *response;
	BOOL headerRead;
	NSString *lastModified;
	NSString *contentType;
	Error *error;
	NSObject<HostsDownloaderDelegate>* delegate;
	BOOL upToDate;
}

@property (readonly) Hosts* hosts;
@property (readonly) NSString* response;
@property (readonly) NSString *lastModified;
@property (readonly) Error* error;
@property BOOL initialLoad;

- (id)initWithHosts:(Hosts*)hostsValue url:(NSURL*)urlValue;
- (void)setDelegate:(NSObject<HostsDownloaderDelegate>*)delegateValue;
- (void)download;

@end
